It doesn't get the kind of attention afforded the endangered monarch butterfly, but without the Mexican long-nosed bat, ingredients for one of America's favorite cocktails would be in short supply. The bat made the top 10 list of imperiled species in a new report highlighting the urgent need to address biodiversity loss and global warming. Kristen Lear, endangered species interventions specialist for the group Bat Conservation International, said the night-feeding mammal is the main pollinator of a plant used to make margaritas. ...